Nose blocker



FIG. 1 is a front, upper and left perspective view of a nose blockershowing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof; and,

FIG. 5 is a bottom plan view thereof.

The ornamental design for a nose blocker, as shown and described.